No-glue cosmetic brush and its manufacturing method

ABSTRACT

Disclosed are a no-glue cosmetic brush and its manufacturing method. The manufacturing method of the no-glue cosmetic brush of the present invention includes the steps of forming a shape of a brush hair by using a plurality of hair members; providing a fusion portion by applying heat to a lower end of the shaped brush hair; processing the brush hair in a desired shape by pressing a hair fixing tube in a region to which the fusion portion is inserted; and coupling the brush hair to the hair fixing tube by pressing the hair fixing tube after inserting the brush hair to the hair fixing tube.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of Korean Patent Application No.10-2020-0073189 filed on Jun. 16, 2020, in the Korean IntellectualProperty Office, the disclosure of which is incorporated herein byreference.

BACKGROUND OF THE INVENTION Field of the Invention

The present invention relates to a hair brush, and more particularly, toa no-glue cosmetic brush and its manufacturing method capable of beingmanufactured without using a glue and manufactured using a shorter brushhair than the related art.

Description of the Related Art

In general, cosmetics used for make-up are formed in a liquid, a solid,and a mixed state of the liquid and the solid. Among them, in order toapply the solid cosmetics on the face, brushes having various shapes andsizes have been developed and used.

In color cosmetics, auxiliary instruments such as mirrors and cosmeticbrushes are required, and even in the case of the cosmetic brushes,various types of brushes, such as a lip brush, a blender brush, an eyeshadow brush, a mascara brush, a cheek brush are used according to a usepurpose.

The above-described brushes are provided so that the cosmetics made ofsolid powder may be coated on bristles of the brush to be properlyapplied on the face and the like. Such a brush may be constituted by ahandle which may be held by a user and a brush provided at the front endof the handle and formed of a plurality of bristles.

In the related art, the brush is coupled to the handle by using chemicalmaterials such as a glue. In this case, the glue may be formed of achemical material, which may harmful affect the human body, andconsidering this, when a glue harmless to the human body is used, thereis a problem that the manufacturing cost increases.

In addition, since the glue is a material that is vulnerable to heat,there is a problem that when the glue is exposed to heat, a glue portionis detached so that the durability deteriorates.

The above-described technical configuration is the background art forhelping in the understanding of the present invention, and does not meana conventional technology widely known in the art to which the presentinvention pertains.

SUMMARY OF THE INVENTION

Therefore, the present invention has been made in an effort to provide ano-glue cosmetic brush and its manufacturing method capable of beingmanufactured without using a glue and manufactured using a shorter brushhair than the related art.

According to an aspect of the present invention, there is provided amanufacturing method of a no-glue cosmetic brush including the steps of:forming a shape of a brush hair by using a plurality of hair members;providing a fusion portion by applying heat to a lower end of the shapedbrush hair; processing the brush hair in a desired shape by pressing ahair fixing tube in a region to which the fusion portion is inserted;and coupling the brush hair to the hair fixing tube by pressing the hairfixing tube after inserting the brush hair to the hair fixing tube.

The fusion portion may be provided with a diameter smaller than an upperportion of the brush hair and provided by thermal fusion.

The fusion portion may be disposed at a position of the shaped hairfixing tube when coupling the brush hair to the hair fixing tube so asnot to require the fixing of the position of the brush hair.

According to another aspect of the present invention, there is provideda no-glue cosmetic brush manufactured by the aforementioned method, as acosmetic brush.

According to the embodiments of the present invention, the fusionportion is provided by applying heat to the lower end of the shapedbrush hair and inserted to the hair fixing tube and then the hair fixingtube is pressed, thereby manufacturing the brush without using a glue.

Further, according to the aforementioned method, the brush may bemanufactured by using a shorter brush hair than the related art withoutusing a glue, thereby reducing the brush hair.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other aspects, features and other advantages of thepresent invention will be more clearly understood from the followingdetailed description taken in conjunction with the accompanyingdrawings, in which:

FIG. 1 is a flowchart of a manufacturing method of a no-glue cosmeticbrush according to an embodiment of the present invention;

FIG. 2 is a diagram illustrating a brush hair provided with a fusionportion by applying heat to a lower end thereof after forming a brushhair shape according to an embodiment of the present invention;

FIG. 3 is a diagram schematically illustrating that a first pressingportion is provided in an upper region of a hair fixing tube to whichthe brush hair is coupled according to an embodiment of the presentinvention;

FIG. 4 is a diagram schematically illustrating the inside of the hairfixing tube to which the brush hair is coupled according to anembodiment of the present invention; and

FIG. 5 is a diagram schematically illustrating a brush hair manufacturedaccording to an embodiment of the present invention.

FIG. 6 is a diagram schematically illustrating that a side portion ofthe hair fixing tube is cut after the coupling is completed by providinga second pressing portion in the hair fixing tube according to anembodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

In order to fully understand the present invention, operationaladvantages of the present invention and objects to be achieved byimplementing the present invention, the present invention will bedescribed with reference to the accompanying drawings which illustratepreferred embodiments of the present invention and the contentsillustrated in the accompanying drawings.

Hereinafter, preferred embodiments of the present invention will bedescribed in detail with reference to the accompanying drawings. Likereference numerals illustrated in the respective drawings designate likemembers.

FIG. 1 is a flowchart of a manufacturing method of a no-glue cosmeticbrush according to an embodiment of the present invention, FIG. 2 is adiagram illustrating a brush hair provided with a fusion portion byapplying heat to a lower end thereof after forming a brush hair shapeaccording to an embodiment of the present invention, FIG. 3 is a diagramschematically illustrating that a first pressing portion is provided inan upper region of a hair fixing tube to which the brush hair is coupledaccording to an embodiment of the present invention, FIG. 4 is a diagramschematically illustrating the inside of the hair fixing tube to whichthe brush hair is coupled according to an embodiment of the presentinvention, and FIG. 5 is a diagram schematically illustrating that aside portion of the hair fixing tube is cut after the coupling iscompleted by providing a second pressing portion in the hair fixing tubeaccording to an embodiment of the present invention.

As illustrated in these drawings, a manufacturing method of a no-gluecosmetic brush according to the embodiment includes the steps of forminga shape of a brush hair 10 by using a plurality of hair members (S10),providing a fusion portion 20 by applying heat to a lower end of theshaped brush hair 10 (S20), processing the brush hair in a desired shapeby pressing a hair fixing tube 30 in a region to which the fusionportion 20 is inserted (S30); and coupling the brush hair 10 to the hairfixing tube 30 by pressing the hair fixing tube 30 after inserting thebrush hair 10 to the hair fixing tube 30 (S40).

The step (S10) of forming the shape of the brush hair 10 by using theplurality of hair members is a step of gathering the plurality of hairmembers and providing an upper portion having a round shape, asillustrated in FIG. 2.

The step (S20) of providing the fusion portion 20 by applying heat tothe lower end of the shaped brush hair 10 is a step of providing thefusion portion 20 by applying heat to the lower end of the brush hair 10as illustrated in FIGS. 2 and 3.

Like the embodiment, when the fusion portion 20 is provided at the lowerend of the brush hair 10, the fusion portion 20 may serve as oneposition fixing means. As a result, when the brush hair 10 provided withthe fusion portion 20 is inserted to the hair fixing tube 30, the fusionportion 20 is engaged and supported on an inner wall of the hair fixingtube 30 to be positioned and fixed, and thus, there is an advantage ofomitting a process of adjusting the position unlike a conventionalmethod using a glue.

In the embodiment, the fusion portion 20 may be provided with a diametersmaller than the upper portion of the brush hair 10 and provided bythermal fusion.

The step (S30) of processing the brush hair in a desired shape bypressing the hair fixing tube 30 in the region to which the fusionportion 20 is inserted is a step of providing the brush hair in adesired shape by pressing one side portion, for example, an upperportion of the hair fixing tube 30, as illustrated in FIG. 3.

In the embodiment, a first pressing portion 31 is provided by pressingthe hair fixing tube 30 and the upper portion of the hair fixing tube 30may have various known shapes such as a circular or elliptical shapedepending on a pressing degree of the first pressing portion 31.

The step (S40) of coupling the brush hair 10 to the hair fixing tube 30by pressing the hair fixing tube 30 after inserting the brush hair 10 tothe hair fixing tube 30 is a step of coupling the brush hair 10 to theinside of the hair fixing tube 30 by pressing an outer wall of the hairfixing tube 30 while the fusion portion 20 is inserted into the hairfixing tube 30 by a pressing means including a press machine, as a finalstep of the embodiment. In this step, a second pressing portion 32illustrated in FIG. 6 may be provided.

Like the embodiment, the fusion portion 20 is provided in the brush hair10, the first pressing portion 31 and the second pressing portion 32 aresequentially provided in the hair fixing tube 30, and then the brushhair 10 is coupled to the hair fixing tube 30 without using a glue,thereby obtaining an almost similar result value to an existingintensity. In addition, the brush is able to be manufactured by usingshorter hair members than an existing product, thereby greatly reducingthe costs required for the hair members.

As described above, according to the embodiment, the fusion portion isprovided by applying heat to the lower end of the shaped brush hair andinserted to the hair fixing tube and then the hair fixing tube ispressed, so that the brush may be manufactured without using a glue.

As described above, the present invention is not limited to theembodiments described herein, and it will be apparent to those skilledin the art that various changes and modifications may be made withoutdeparting from the spirit and the scope of the present invention.Therefore, it will be understood that these changes and modificationsare included in the appended claims of the present invention.

What is claimed is:
 1. A manufacturing method of a no-glue cosmeticbrush comprising the steps of: forming a shape of a brush hair by usinga plurality of hair members; providing a fusion portion by applying heatto a lower end of the shaped brush hair; processing the brush hair in adesired shape by pressing a hair fixing tube in a region to which thefusion portion is inserted; and coupling the brush hair to the hairfixing tube by pressing the hair fixing tube after inserting the brushhair to the hair fixing tube.
 2. The manufacturing method of the no-gluecosmetic brush of claim 1, wherein the fusion portion is provided with adiameter smaller than the upper portion of the brush hair and providedby thermal fusion.
 3. The manufacturing method of the no-glue cosmeticbrush of claim 1, wherein the fusion portion is disposed at a positionof the shaped hair fixing tube when coupling the brush hair to the hairfixing tube so as not to require the fixing of the position of the brushhair.
 4. A no-glue cosmetic brush manufactured by the method of claim 1.5. A no-glue cosmetic brush manufactured by the method of claim 2.